package com.lagou.model;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.Serializable;
import java.util.List;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2020</p>
 * <p>Company: http://www.ubisys.com.cn/</p>
 *
 * @Auther: cw
 * @Date: 2020/7/22 15:51
 */
public class Result

        implements Serializable {

    // 定义jackson对象
    private static final ObjectMapper MAPPER = new ObjectMapper();

    // 响应业务状态
    private Integer status;

    // 响应消息
    private String msg;

    // 响应中的数据
    private Object data;

    /**
     * 页面大小
     */
    private Integer pageSize;
    /**
     * 页面编码
     */
    private Integer pageNumber;

    /**
     * 总页数
     */
    private Integer totalPage;
    /**
     * 总记录数
     */
    private Long totalRow;

    private List list;

    public static Result build(ResultStatus status, String msg, Object data) {
        return new Result(status.getCode(), msg, data);
    }

    public static Result ok(Object data) {
        return new Result(data);
    }

    public static Result ok() {
        return new Result(null);
    }

    public Result() {

    }

    public static Result build(ResultStatus status, String msg) {
        return new Result(status.getCode(), msg, null);
    }

    public Result(Integer status, String msg, Object data) {
        this.status = status;
        this.msg = msg;
        this.data = data;
        this.list = null;
        this.pageNumber = 1;
        this.pageSize = 10;
        this.totalPage = 1;
        this.totalRow = 0l;

    }

    public Result(Object data) {
        this.status = 200;
        this.msg = "OK";
        this.data = data;
        this.list = null;
        this.pageNumber = 1;
        this.pageSize = 10;
        this.totalPage = 1;
        this.totalRow = 0l;
    }

    // public Boolean isOK() {
    // return this.status == 200;
    // }

    public Integer getStatus() {
        return status;
    }

    public void setStatus(Integer status) {
        this.status = status;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public Object getData() {
        return data;
    }

    public void setData(Object data) {
        this.data = data;
    }

    /**
     * 将json结果集转化为ParkResult对象
     *
     * @param jsonData json数据
     * @param clazz    ParkResult中的object类型
     * @return
     */
    public static Result formatToPojo(String jsonData, Class<?> clazz) {
        try {
            if (clazz == null) {
                return MAPPER.readValue(jsonData, Result.class);
            }
            JsonNode jsonNode = MAPPER.readTree(jsonData);
            JsonNode data = jsonNode.get("data");
            Object obj = null;
            if (clazz != null) {
                if (data.isObject()) {
                    obj = MAPPER.readValue(data.traverse(), clazz);
                } else if (data.isTextual()) {
                    obj = MAPPER.readValue(data.asText(), clazz);
                }
            }
            return build(ResultStatus.getResultStatus(jsonNode.get("status").intValue()), jsonNode.get("msg")
                    .asText(), obj);
        } catch (Exception e) {
            return null;
        }
    }

    /**
     * 没有object对象的转化
     *
     * @param json
     * @return
     */
    public static Result format(String json) {
        try {
            return MAPPER.readValue(json, Result.class);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }


    public static Boolean isOK(Result result) {
        int value = result.getStatus().intValue();
        return value == 200 ? true : false;
    }

    /**
     * Object是集合转化
     *
     * @param jsonData json数据
     * @param clazz    集合中的类型
     * @return
     */
    public static Result formatToList(String jsonData, Class<?> clazz) {
        try {
            JsonNode jsonNode = MAPPER.readTree(jsonData);
            JsonNode data = jsonNode.get("data");
            Object obj = null;
            if (data.isArray() && data.size() > 0) {
                obj = MAPPER.readValue(data.traverse(), MAPPER.getTypeFactory()
                        .constructCollectionType(List.class, clazz));
            }
            return build(ResultStatus.getResultStatus(jsonNode.get("status").intValue()), jsonNode.get("msg")
                    .asText(), obj);
        } catch (Exception e) {
            return null;
        }
    }

    public Integer getPageSize() {
        return pageSize;
    }

    public void setPageSize(Integer pageSize) {
        this.pageSize = pageSize;
    }

    public Integer getPageNumber() {
        return pageNumber;
    }

    public void setPageNumber(Integer pageNumber) {
        this.pageNumber = pageNumber;
    }

    public Integer getTotalPage() {
        return totalPage;
    }

    public void setTotalPage(Integer totalPage) {
        this.totalPage = totalPage;
    }

    public Long getTotalRow() {
        return totalRow;
    }

    public void setTotalRow(Long totalRow) {
        this.totalRow = totalRow;
    }

    public List getList() {
        return list;
    }

    public void setList(List list) {
        this.list = list;
    }

}
